Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657373 | Digital mobile telephone system in which each subscriber is assigned a telephone number and several subscriber identity module (SIM) cards | Jan Hermansson, Christer Mansson, Anders Jacobsson, Zeth Nystrom, Bo Karlsson +2 more | 1997-08-12 |
| 5307400 | Call routing in mobile telephone systems | Francois Sawyer | 1994-04-26 |